The table and stool unit has the functions of the protection of the normal development of the teenagers' bodies, the prevention of the myopia, and convenient learning.
此种桌凳具有保护青少年身体正常发育，预防近视眼，方便学习的作用。
The table and stool unit has the functions of the protection of the normal development of the teenagers' bodies, the prevention of the myopia, and convenient learning.
此种桌凳具有保护青少年身体正常发育，预防近视眼，方便学习的作用。
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